Choose the correct option for the blanks.
The lifeguard threw a _______ to save the drowning _________.
Boy, buoy
Buoy, boy
The lifeguard threw a buoy to save the drowning boy.
A buoy is held inside water contained in a vessel by tying it with a thread to the base of the vessel. Name the three forces that keep the buoy in equilibrium and state the direction in which each force acts.
From the top of a cliff of 92m height, the angle of depression of a buoy is 20∘. Calculate to the nearest meter, the distance of the buoy from the foot of the cliff. {Use tan20o=0.36}